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Finding the Fourth Proportional to 433,397.70, 650,125.08 and 113,557.40

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Solution

The fourth proportional to 433,397.70, 650,125.08 and 113,557.40 is: 170,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,397.70 : 650,125.08 = 113,557.40 : x
  2. Step 2: Convert to fraction form
    433,397.70/650,125.08 = 113,557.40/x
  3. Step 3: Cross multiply
    433,397.70x = 650,125.08 × 113,557.40
  4. Step 4: Simplify right side
    433,397.70x = 73,826,512,946.94
  5. Step 5: Solve for x
    x = 73,826,512,946.94/433,397.70
  6. Step 6: Final answer
    x = 170,343.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.